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Koj puas mob ko taw? Cia peb tham txog cov leeg ntawm ko taw!

Koj puas mob ko taw? Cia peb tham txog cov leeg ntawm ko taw!

Thaum sawv ntxov koj puas tau hnov ​​mob koj txhais taw uas tsis tuaj yeem ua tau? Los yog koj puas mob koj pob luj taws thaum koj taug kev lossis khiav ib pliag? Peb tsis xav ntau txog peb txhais taw hauv peb lub neej txhua hnub, puas yog? Tab sis cov taw no yeej nqa qhov hnyav ntawm peb lub cev tag nrho thiab nqa peb ntawm ib qho chaw mus rau lwm qhov. Yog li, ntau cov pob txha me me hauv cov taw no tau txuas ua ke thiab tuav ua ke ua ib lub cev muaj zog los ntawm cov nqaij tshwj xeeb hu ua ligaments . Yog li hnub no, hauv tsab xov xwm no, peb yuav tham txog txhua yam txog cov ligaments no, uas tseem ceeb heev rau kev noj qab haus huv ntawm koj txhais taw.

Hais yooj yim xwb, cov leeg no nyob hauv ko taw yog dab tsi?

Xav txog koj txhais taw yog ua los ntawm ib pawg cib me me (pob txha). Yog tias koj tso cov cib no tseg, lawv yuav tawg ua tej daim, puas yog? Cov leeg pob txha zoo li cov hlua khi cov cib ua ke thiab ua kom lawv ruaj khov.

Hais yooj yim xwb, cov leeg yog cov nqaij tawv uas muaj zog thiab tuab uas txuas cov pob txha ntawm koj txhais taw. Yog tsis muaj lawv, peb txhais taw yuav tsis zoo li qub, thiab cov pob txha yuav tsis sib koom ua ke. Cov leeg no ua rau peb txhais taw ruaj khov thiab txhawb nqa lub pob txha ntawm txhais taw.

Cov ligaments no muaj ntau lub luag haujlwm tseem ceeb:

  • Pab kom cov pob txha nyob hauv qhov chaw: Cov leeg no pab kom tag nrho 26 lub pob txha hauv ko taw nyob rau hauv lawv qhov chaw zoo.
  • Tiv thaiv kom pob luj taws tsis txhob dov: Cov leeg no tiv thaiv thiab ua kom pob luj taws tsis txhob dov thaum peb taug kev lossis khiav.
  • Ua kom cov pob qij txha ruaj khov: Cov no yog qhov tseem ceeb rau kev ua kom cov pob qij txha tseem ceeb, tshwj xeeb tshaj yog pob qij txha pob luj taws, ruaj khov thiab muaj zog.

Feem ntau peb xav txog cov leeg no thaum peb dov lossis mob hauv peb txhais taw. Zoo hmoo, feem ntau ntawm cov kev raug mob no tuaj yeem kho tau los ntawm kev so thiab kev kho mob yooj yim.

Cov leeg tseem ceeb hauv peb txhais taw yog dab tsi?

Vim tias peb muaj 26 lub pob txha hauv peb txhais taw xwb, muaj ntau cov leeg txuas lawv ua ke. Cia peb kawm me ntsis txog qee cov ntawm lawv.

  • Plantar calcaneonavicular ligament: Kuj tseem hu ua lub caij nplooj ntoos hlav ligament , qhov no yog lub ligament muaj zog tshaj plaws hauv peb txhais taw. Nws txuas cov pob qij txha thiab ko taw. Lub ligament no muab cov duab rau lub arch ntawm koj txhais taw thiab pab txhawb qhov hnyav ntawm koj lub cev tag nrho. Xav txog nws, thaum koj nqis ntaiv, khiav, lossis dhia, qhov poob siab los ntawm hauv av ... Qhov no pab tiv thaiv koj ntawm qhov ntawd.
  • Calcaneocuboid ligament:Cov leeg no txuas koj pob txha pob taws rau lwm cov pob txha uas ua lub arch ntawm koj txhais taw (tarsal pob txha).
  • Lisfranc ligaments: Cov no nyob hauv nruab nrab ntawm koj txhais taw, hauv qab Lisfranc sib koom ua ke hauv nruab nrab ko taw.

Lub luag haujlwm tseem ceeb tshaj plaws ntawm cov ligaments no yog dab tsi?

Raws li peb tau hais ua ntej lawm, lub luag haujlwm tseem ceeb thiab tseem ceeb tshaj plaws ntawm cov leeg hauv ko taw yog ua kom lub pob txha ntawm koj ko taw ruaj khov thiab muaj zog. Lub pob txha no yog ua los ntawm cov pob txha, cov leeg, thiab cov leeg. Vim yog lub pob txha no peb txhais taw muaj lawv cov duab thiab cov qauv tshwj xeeb.

Tsis tas li ntawd xwb, cov ligaments no ua lwm yam haujlwm tseem ceeb heev.

Ib yam li cov khoom nqus kev co hauv lub tsheb, cov leeg no nqus tau qhov kev co uas peb lub cev hnov ​​txhua kauj ruam uas peb taug kev. Lawv yog cov uas tiv thaiv peb cov pob qij txha thiab pob txha los ntawm kev txo qhov kev cuam tshuam los ntawm hauv av thaum peb taug kev, khiav, thiab dhia.

Cov leeg no yog ua los ntawm cov ntaub so ntswg sib txuas uas muaj zog, tab sis kuj muaj zog me ntsis, nplua nuj nyob rau hauv cov protein collagen . Qhov no yog vim li cas lawv thiaj li tiv taus tau ntau yam kev nyuaj siab.

Cov mob uas feem ntau cuam tshuam rau cov leeg ntawm ko taw

Ib yam li lwm cov leeg nqaij hauv peb lub cev, cov leeg nqaij hauv peb txhais taw tuaj yeem ncab, nruj, lossis dua. Cov neeg uas ua si kis las uas muaj kev tig tam sim ntawd, khiav, lossis dhia (piv txwv li, pob tawb, ncaws pob, thiab seev cev) muaj feem yuav raug mob no.

Peb yuav tsum tau ceev faj me ntsis txog cov xwm txheej no.

Mob Ib qho lus piav qhia yooj yim
Mob pob txha caj qaum Qhov no yog qhov teeb meem feem ntau uas cuam tshuam rau cov leeg ntawm ko taw thiab yog qhov ua rau mob pob taws.Qhov no yog tshwm sim los ntawm kev o ntawm cov leeg nqaij tuab hu ua "plantar fascia" uas khiav raws qab ko taw. Cov tsos mob tseem ceeb yog mob hnyav, tshwj xeeb tshaj yog thaum koj thawj kauj ruam sawv ntawm txaj thaum sawv ntxov.
Kev mob ligament ntawm ko taw Qhov mob no tuaj yeem tshwm sim los ntawm kev tig koj txhais taw rau hauv lossis tawm lossis dov koj pob luj taws. Qhov no feem ntau tshwm sim nrog pob luj taws tawg. Cov tsos mob suav nrog mob tam sim ntawd, o, thiab qee zaum mob nqaij.
Kev raug mob ntawm Lisfranc Qhov no yog kev raug mob rau nruab nrab ko taw. Kev poob tam sim ntawd lossis pob luj taws tuaj yeem ua rau cov pob txha ntawm Lisfranc pob qij txha tawg thiab cov leeg txuas nrog rhuav tshem. Qhov no tuaj yeem yog kev raug mob hnyav heev.
Taw tiaj tiaj Tej zaum ib txhia neeg yuav yug los muaj tus mob no. Tab sis qee zaum, tus mob no kuj tuaj yeem tshwm sim vim yog cov leeg thiab cov leeg ntawm ko taw ncab, tawg, thiab o. Qhov no tuaj yeem ua rau mob ko taw thaum taug kev.

Peb yuav ua li cas kom cov leeg ntawm peb txhais taw noj qab nyob zoo?

"Kev tiv thaiv zoo dua li kev kho mob," lawv hais. Yog li ntawd, nws yog qhov zoo tshaj plaws los tiv thaiv cov teeb meem no ua ntej lawv tshwm sim. Qhov laj thawj tseem ceeb rau kev raug mob ntawm cov leeg ntawm ko taw yog qhov tsis muaj zog ntawm cov leeg nqaij nyob ib puag ncig pob luj taws. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tsum txhawb cov leeg nqaij uas ruaj khov thiab txhawb nqa pob luj taws.

Tsis tas li ntawd xwb, koj tuaj yeem xav txog cov no:

  • Ceev faj: Yog tias koj tshiab rau kev tawm dag zog, tsis txhob siv zog ntau dhau ib zaug. Maj mam nce lub sijhawm thiab qhov hnyav ntawm koj qhov kev tawm dag zog. Nws tseem ceeb heev rau kev sov so ua ntej pib thiab txias dua tom qab.
  • Tsis txhob ua tib yam txhua lub sijhawm: Thaum koj ua tib yam kev ua ub ua no txhua hnub (piv txwv li, tsuas yog khiav xwb), koj pheej muab kev nyuaj rau tib qho ntawm koj txhais taw. Yog li ntawd, sib xyaw koj cov kev ua ub ua no. Yog tias koj khiav ib hnub, ua ib yam dab tsi xws li ua luam dej lossis caij tsheb kauj vab rau hnub tom ntej.
  • Hnav khau kom haum: Qhov no tseem ceeb heev. Koj liHnav cov khau uas txhawb nqa lub pob tw zoo thiab muaj cov ntaub mos mos zoo. Tsis txhob hnav cov khau qub uas tsis zoo. Tej zaum ib txhia neeg yuav tsum siv cov khoom siv kho pob txha uas tsim tshwj xeeb, raws li kws kho mob tau hais.

Kuv yuav tsum mus ntsib kws kho mob thaum twg?

Qhov mob ko taw yeej tsis yog ib yam uas yuav tsum saib yooj yim. Vim tias peb txhais taw yog lub luag haujlwm rau tag nrho peb lub cev, yog tias peb tsis quav ntsej qhov mob, qhov teeb meem yuav loj zuj zus.

Yog koj muaj ib qho ntawm cov tsos mob hauv qab no, mus ntsib koj tus kws kho mob tam sim ntawd.

Yog tias qhov mob hnyav heev uas koj tsis tuaj yeem muab qhov hnyav rau ntawm koj ceg .

Yog tias koj muaj mob uas tsis tuaj yeem ua tau lossis o ntau dhau tom qab ntswj koj pob luj taws.

Yog tias koj mob pob taws tas li (tshwj xeeb tshaj yog thaum sawv ntxov).

Yog tias koj xav tias mob hauv qab koj txhais taw .

Thaum koj mus ntsib kws kho mob, nws yuav nug koj cov lus nug thiab kuaj koj txhais taw. Yog tias tsim nyog, lawv kuj tseem yuav pom zoo kom kuaj xws li X-ray lossis ultrasound scan. Yog li, tsis txhob ntshai nrhiav kev pab kho mob tam sim ntawd yog tias koj muaj kev txhawj xeeb.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Cov leeg nyob rau hauv ko taw yog cov hlua khi ntawm cov nqaij uas txuas cov pob txha ntawm peb txhais taw.
  • Cov no txhawb nqa lub qhov ko taw, pab txhawb qhov hnyav ntawm lub cev thiab nqus tau qhov kev poob siab ntawm kev taug kev.
  • Tej yam xws li mob ko taw, mob pob luj taws, thiab mob pob luj taws tuaj yeem yog cov teeb meem cuam tshuam nrog cov leeg.
  • Ntau yam kab mob no tuaj yeem tiv thaiv tau los ntawm kev hnav khau kom zoo, tawm dag zog tsis tu ncua, thiab ua kom cov leeg nqaij khov kho.
  • Yog koj mob heev, o, lossis mob uas koj tsis tuaj yeem ris lub nra hnyav ntawm koj txhais taw, tsis txhob nkim sijhawm thiab mus ntsib koj tus kws kho mob.

Cov leeg ntawm ko taw, mob ko taw, mob pob taws, mob plantar fasciitis, mob pob taws, o ntawm pob luj taws
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

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Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 2 + 5 =
Koj puas mob ko taw? Cia peb tham txog cov leeg ntawm ko taw!

Koj puas mob ko taw? Cia peb tham txog cov leeg ntawm ko taw!

Thaum sawv ntxov koj puas tau hnov ​​mob koj txhais taw uas tsis tuaj yeem ua tau? Los yog koj puas mob koj pob luj taws thaum koj taug kev lossis khiav ib pliag? Peb tsis xav ntau txog peb txhais taw hauv peb lub neej txhua hnub, puas yog? Tab sis cov taw no yeej nqa qhov hnyav ntawm peb lub cev tag nrho thiab nqa peb ntawm ib qho chaw mus rau lwm qhov. Yog li, ntau cov pob txha me me hauv cov taw no tau txuas ua ke thiab tuav ua ke ua ib lub cev muaj zog los ntawm cov nqaij tshwj xeeb hu ua ligaments . Yog li hnub no, hauv tsab xov xwm no, peb yuav tham txog txhua yam txog cov ligaments no, uas tseem ceeb heev rau kev noj qab haus huv ntawm koj txhais taw.

Hais yooj yim xwb, cov leeg no nyob hauv ko taw yog dab tsi?

Xav txog koj txhais taw yog ua los ntawm ib pawg cib me me (pob txha). Yog tias koj tso cov cib no tseg, lawv yuav tawg ua tej daim, puas yog? Cov leeg pob txha zoo li cov hlua khi cov cib ua ke thiab ua kom lawv ruaj khov.

Hais yooj yim xwb, cov leeg yog cov nqaij tawv uas muaj zog thiab tuab uas txuas cov pob txha ntawm koj txhais taw. Yog tsis muaj lawv, peb txhais taw yuav tsis zoo li qub, thiab cov pob txha yuav tsis sib koom ua ke. Cov leeg no ua rau peb txhais taw ruaj khov thiab txhawb nqa lub pob txha ntawm txhais taw.

Cov ligaments no muaj ntau lub luag haujlwm tseem ceeb:

  • Pab kom cov pob txha nyob hauv qhov chaw: Cov leeg no pab kom tag nrho 26 lub pob txha hauv ko taw nyob rau hauv lawv qhov chaw zoo.
  • Tiv thaiv kom pob luj taws tsis txhob dov: Cov leeg no tiv thaiv thiab ua kom pob luj taws tsis txhob dov thaum peb taug kev lossis khiav.
  • Ua kom cov pob qij txha ruaj khov: Cov no yog qhov tseem ceeb rau kev ua kom cov pob qij txha tseem ceeb, tshwj xeeb tshaj yog pob qij txha pob luj taws, ruaj khov thiab muaj zog.

Feem ntau peb xav txog cov leeg no thaum peb dov lossis mob hauv peb txhais taw. Zoo hmoo, feem ntau ntawm cov kev raug mob no tuaj yeem kho tau los ntawm kev so thiab kev kho mob yooj yim.

Cov leeg tseem ceeb hauv peb txhais taw yog dab tsi?

Vim tias peb muaj 26 lub pob txha hauv peb txhais taw xwb, muaj ntau cov leeg txuas lawv ua ke. Cia peb kawm me ntsis txog qee cov ntawm lawv.

  • Plantar calcaneonavicular ligament: Kuj tseem hu ua lub caij nplooj ntoos hlav ligament , qhov no yog lub ligament muaj zog tshaj plaws hauv peb txhais taw. Nws txuas cov pob qij txha thiab ko taw. Lub ligament no muab cov duab rau lub arch ntawm koj txhais taw thiab pab txhawb qhov hnyav ntawm koj lub cev tag nrho. Xav txog nws, thaum koj nqis ntaiv, khiav, lossis dhia, qhov poob siab los ntawm hauv av ... Qhov no pab tiv thaiv koj ntawm qhov ntawd.
  • Calcaneocuboid ligament:Cov leeg no txuas koj pob txha pob taws rau lwm cov pob txha uas ua lub arch ntawm koj txhais taw (tarsal pob txha).
  • Lisfranc ligaments: Cov no nyob hauv nruab nrab ntawm koj txhais taw, hauv qab Lisfranc sib koom ua ke hauv nruab nrab ko taw.

Lub luag haujlwm tseem ceeb tshaj plaws ntawm cov ligaments no yog dab tsi?

Raws li peb tau hais ua ntej lawm, lub luag haujlwm tseem ceeb thiab tseem ceeb tshaj plaws ntawm cov leeg hauv ko taw yog ua kom lub pob txha ntawm koj ko taw ruaj khov thiab muaj zog. Lub pob txha no yog ua los ntawm cov pob txha, cov leeg, thiab cov leeg. Vim yog lub pob txha no peb txhais taw muaj lawv cov duab thiab cov qauv tshwj xeeb.

Tsis tas li ntawd xwb, cov ligaments no ua lwm yam haujlwm tseem ceeb heev.

Ib yam li cov khoom nqus kev co hauv lub tsheb, cov leeg no nqus tau qhov kev co uas peb lub cev hnov ​​txhua kauj ruam uas peb taug kev. Lawv yog cov uas tiv thaiv peb cov pob qij txha thiab pob txha los ntawm kev txo qhov kev cuam tshuam los ntawm hauv av thaum peb taug kev, khiav, thiab dhia.

Cov leeg no yog ua los ntawm cov ntaub so ntswg sib txuas uas muaj zog, tab sis kuj muaj zog me ntsis, nplua nuj nyob rau hauv cov protein collagen . Qhov no yog vim li cas lawv thiaj li tiv taus tau ntau yam kev nyuaj siab.

Cov mob uas feem ntau cuam tshuam rau cov leeg ntawm ko taw

Ib yam li lwm cov leeg nqaij hauv peb lub cev, cov leeg nqaij hauv peb txhais taw tuaj yeem ncab, nruj, lossis dua. Cov neeg uas ua si kis las uas muaj kev tig tam sim ntawd, khiav, lossis dhia (piv txwv li, pob tawb, ncaws pob, thiab seev cev) muaj feem yuav raug mob no.

Peb yuav tsum tau ceev faj me ntsis txog cov xwm txheej no.

Mob Ib qho lus piav qhia yooj yim
Mob pob txha caj qaum Qhov no yog qhov teeb meem feem ntau uas cuam tshuam rau cov leeg ntawm ko taw thiab yog qhov ua rau mob pob taws.Qhov no yog tshwm sim los ntawm kev o ntawm cov leeg nqaij tuab hu ua "plantar fascia" uas khiav raws qab ko taw. Cov tsos mob tseem ceeb yog mob hnyav, tshwj xeeb tshaj yog thaum koj thawj kauj ruam sawv ntawm txaj thaum sawv ntxov.
Kev mob ligament ntawm ko taw Qhov mob no tuaj yeem tshwm sim los ntawm kev tig koj txhais taw rau hauv lossis tawm lossis dov koj pob luj taws. Qhov no feem ntau tshwm sim nrog pob luj taws tawg. Cov tsos mob suav nrog mob tam sim ntawd, o, thiab qee zaum mob nqaij.
Kev raug mob ntawm Lisfranc Qhov no yog kev raug mob rau nruab nrab ko taw. Kev poob tam sim ntawd lossis pob luj taws tuaj yeem ua rau cov pob txha ntawm Lisfranc pob qij txha tawg thiab cov leeg txuas nrog rhuav tshem. Qhov no tuaj yeem yog kev raug mob hnyav heev.
Taw tiaj tiaj Tej zaum ib txhia neeg yuav yug los muaj tus mob no. Tab sis qee zaum, tus mob no kuj tuaj yeem tshwm sim vim yog cov leeg thiab cov leeg ntawm ko taw ncab, tawg, thiab o. Qhov no tuaj yeem ua rau mob ko taw thaum taug kev.

Peb yuav ua li cas kom cov leeg ntawm peb txhais taw noj qab nyob zoo?

"Kev tiv thaiv zoo dua li kev kho mob," lawv hais. Yog li ntawd, nws yog qhov zoo tshaj plaws los tiv thaiv cov teeb meem no ua ntej lawv tshwm sim. Qhov laj thawj tseem ceeb rau kev raug mob ntawm cov leeg ntawm ko taw yog qhov tsis muaj zog ntawm cov leeg nqaij nyob ib puag ncig pob luj taws. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tsum txhawb cov leeg nqaij uas ruaj khov thiab txhawb nqa pob luj taws.

Tsis tas li ntawd xwb, koj tuaj yeem xav txog cov no:

  • Ceev faj: Yog tias koj tshiab rau kev tawm dag zog, tsis txhob siv zog ntau dhau ib zaug. Maj mam nce lub sijhawm thiab qhov hnyav ntawm koj qhov kev tawm dag zog. Nws tseem ceeb heev rau kev sov so ua ntej pib thiab txias dua tom qab.
  • Tsis txhob ua tib yam txhua lub sijhawm: Thaum koj ua tib yam kev ua ub ua no txhua hnub (piv txwv li, tsuas yog khiav xwb), koj pheej muab kev nyuaj rau tib qho ntawm koj txhais taw. Yog li ntawd, sib xyaw koj cov kev ua ub ua no. Yog tias koj khiav ib hnub, ua ib yam dab tsi xws li ua luam dej lossis caij tsheb kauj vab rau hnub tom ntej.
  • Hnav khau kom haum: Qhov no tseem ceeb heev. Koj liHnav cov khau uas txhawb nqa lub pob tw zoo thiab muaj cov ntaub mos mos zoo. Tsis txhob hnav cov khau qub uas tsis zoo. Tej zaum ib txhia neeg yuav tsum siv cov khoom siv kho pob txha uas tsim tshwj xeeb, raws li kws kho mob tau hais.

Kuv yuav tsum mus ntsib kws kho mob thaum twg?

Qhov mob ko taw yeej tsis yog ib yam uas yuav tsum saib yooj yim. Vim tias peb txhais taw yog lub luag haujlwm rau tag nrho peb lub cev, yog tias peb tsis quav ntsej qhov mob, qhov teeb meem yuav loj zuj zus.

Yog koj muaj ib qho ntawm cov tsos mob hauv qab no, mus ntsib koj tus kws kho mob tam sim ntawd.

Yog tias qhov mob hnyav heev uas koj tsis tuaj yeem muab qhov hnyav rau ntawm koj ceg .

Yog tias koj muaj mob uas tsis tuaj yeem ua tau lossis o ntau dhau tom qab ntswj koj pob luj taws.

Yog tias koj mob pob taws tas li (tshwj xeeb tshaj yog thaum sawv ntxov).

Yog tias koj xav tias mob hauv qab koj txhais taw .

Thaum koj mus ntsib kws kho mob, nws yuav nug koj cov lus nug thiab kuaj koj txhais taw. Yog tias tsim nyog, lawv kuj tseem yuav pom zoo kom kuaj xws li X-ray lossis ultrasound scan. Yog li, tsis txhob ntshai nrhiav kev pab kho mob tam sim ntawd yog tias koj muaj kev txhawj xeeb.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Cov leeg nyob rau hauv ko taw yog cov hlua khi ntawm cov nqaij uas txuas cov pob txha ntawm peb txhais taw.
  • Cov no txhawb nqa lub qhov ko taw, pab txhawb qhov hnyav ntawm lub cev thiab nqus tau qhov kev poob siab ntawm kev taug kev.
  • Tej yam xws li mob ko taw, mob pob luj taws, thiab mob pob luj taws tuaj yeem yog cov teeb meem cuam tshuam nrog cov leeg.
  • Ntau yam kab mob no tuaj yeem tiv thaiv tau los ntawm kev hnav khau kom zoo, tawm dag zog tsis tu ncua, thiab ua kom cov leeg nqaij khov kho.
  • Yog koj mob heev, o, lossis mob uas koj tsis tuaj yeem ris lub nra hnyav ntawm koj txhais taw, tsis txhob nkim sijhawm thiab mus ntsib koj tus kws kho mob.

Cov leeg ntawm ko taw, mob ko taw, mob pob taws, mob plantar fasciitis, mob pob taws, o ntawm pob luj taws
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 2 + 5 =